Look up recent sales for the same card, paying attention to grading and edition, and compare them to yours to gauge its value
Show the front and the back: the back reveals centering and edge wear that the front hides
Not to mention Sefris Create Undead payoff for having completed a dungeon
then add Aether Flash, Lightmine Field, and Powerstone Minefield, and go to town
Bestial Bloodline Blood Spatter Analysis Bloodghast Bloodline Bidding Blossoming Tortoise Bonebind Orator Broodheart Engine Builder's Talent Call Damage Control Call a Surprise Witness Carnage, Crimson Chaos Carrion Cruiser Cauldron of Essence Cemetery Recruitment Cheerful Osteomancer Coati Scavenger Coiling Rebirth Consumed by Greed Convenient Target Corpses of the Lost Curious Forager Daily Bugle Reporters Damage Control Crew Daydream Deadly Brew Deadly Plot Deathless Pilot Defiled Crypt // Cadaver Lab Defossilize Desecrex, Gift of Servitude Dewdrop Cure Dire Flail Does Machines Dose of Dawnglow Driver of the Dead Dundoolin Weaver Dune Drifter Eddie Brock Elvish Regrower Emerge from the Cocoon Emeritus of Abundance Emptiness Evershrike's Gift Evil Reawakened Fear of Infinity Fell Gravship Fell Horseman Fiendish Panda Fight On
Oh, and you can force everyone to mill a card anytime you want by a spending a little mana